How to get the latest playlist
New Sermon on the Mount Weekly Playlists are released every Monday.
If you sign up for playlist emails, these will be sent to your inbox when they're released. Sign up to get Sermon on the Mount Weekly Playlists emailed to you here.
In the app
You can enable notifications for new playlist content. Go to the Me section in the app and enable the New Content Update notifications in the preferences pane.
If you don't have the app, you can download it here.